Banned
Yawgmoth's Will
Sorcery · {2}{B}
Rationale
Why banned
Yawgmoth's Will replays all cards in the graveyard for a turn, producing mana, spells, and card advantage simultaneously. Banned at the format's founding as among the most powerful individual spells ever printed.
Oracle text
What the card does
! This card is currently banned in Premodern. The oracle text is shown for reference only.
Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead.
Format authority
Cited from premodernmagic.com
Per Martin Berlin's Premodern format-authority site: premodernmagic.com/rules . premodernmtg.com mirrors the canonical banlist within 24 hours of any update.
Full analysis
The combo, the data, and the new metagame
Banned 2003-05-26. Rationale: Yawgmoth’s Will replays all cards in the graveyard for a turn, producing mana, spells, and card advantage simultaneously. Banned at the format’s founding as among the most powerful individual spells ever printed. Source: Martin Berlin, premodernmagic.com.
See also: /yawgmoths-will/